E32 Generation Positioning:
BMW's flagship luxury sedan of its era, competing with Mercedes-Benz S-Class and Audi V8 Quattro, known for advanced technology, performance, and refined driving experience.
Key Competitors:
Mercedes-Benz W124/W140 S-Class, Audi V8 Quattro/A8, Jaguar XJ, Lexus LS 400.
Design Philosophy:
Elegant, understated styling with a focus on aerodynamic efficiency and driver-oriented ergonomics.
Technological Advancements:
Introduction of Electronic Damper Control (EDC), ASC+T (Automatic Stability Control and Traction), and advanced engine management systems for its time.
Powertrain Systems:
Engine mechanicals, fuel delivery, ignition, exhaust, cooling, lubrication, emissions control
Drivetrain Systems:
Automatic transmission, driveshaft, differential, axles
Chassis And Suspension Systems:
Front and rear suspension, steering system, wheels, tires, chassis lubrication
Braking Systems:
Front and rear brakes (disc), ABS (Anti-lock Braking System), hydraulic system
Electrical Systems:
Battery, charging system, starter, lighting, instruments, wiring diagrams, ECUs, comfort electronics
Body And Interior Systems:
Body panels, doors, windows, upholstery, climate control, safety restraints (airbags, seatbelts)
Maintenance Procedures:
Scheduled maintenance, oil changes, filter replacements, fluid checks and top-offs, belt inspections
Repair Procedures:
Component removal and installation, engine rebuilds, transmission overhauls, suspension component replacement, brake service, electrical component repair
Troubleshooting:
Diagnostic procedures, fault finding, symptom analysis, specific component testing
Technical Specifications:
Torque values, clearances, fluid capacities, electrical specifications, diagnostic trouble codes (DTCs)
Special Tools:
Identification and usage of BMW-specific tools and equipment required for certain procedures
Diagnostic Capabilities:
Advanced diagnostics, including procedures for utilizing BMW's diagnostic tools of the era (e.g., DIS tester, if applicable).
Rebuild Procedures:
Detailed instructions for complete engine and transmission overhauls, including component specifications and assembly sequences.
Electrical Schematics:
Comprehensive, high-resolution wiring diagrams for all vehicle systems.
Digital File Type:
PDF (Portable Document Format)
Printability:
Designed for clarity and readability when printed, typically with high-resolution graphics and text.
Original Binding (If Printed):
Typically perfect bound or spiral bound for workshop manuals for lay-flat use.
Original Paper Type (If Printed):
Durable, often coated paper to withstand shop environment and repeated use.
Engine Type:
4.0L V8, Naturally Aspirated
Horsepower (SAE Net):
Approx. 282 hp @ 5800 rpm
Torque (SAE Net):
Approx. 295 lb-ft @ 4500 rpm
Fuel Delivery System:
Electronic Fuel Injection (Bosch Motronic M3.3 or similar)
Fuel Type:
Premium Unleaded Gasoline (91+ Octane)
Engine Block Material:
Aluminum
Valvetrain:
DOHC (Dual Overhead Camshafts), 4 valves per cylinder
Transmission Type (740I/Il):
4-speed Automatic Transmission (e.g., ZF 4HP24)
Manual Transmission Availability:
Not available for the 740i/iL models in North America; later E38 7 Series offered manual options for other engines.
Transmission Control:
Electronic control with multiple shift modes (e.g., Sport, Economy)
Automatic Transmission Fluid (Atf) Type:
Refer to manual; typically BMW ATF Dexron II or equivalent for this era (e.g., ZF Lifeguardfluid5 might be a later recommendation for compatible transmissions).
Wheelbase (740I):
Approx. 117.4 inches (2982 mm)
Wheelbase (740Il):
Approx. 120.7 inches (3066 mm)
Length (740I):
Approx. 197.5 inches (5017 mm)
Length (740Il):
Approx. 201.8 inches (5126 mm)
Curb Weight (740I):
Approx. 3800-4000 lbs (1725-1815 kg)
Curb Weight (740Il):
Approx. 3950-4150 lbs (1790-1885 kg)
Standard Wheel Size:
15-inch or 16-inch alloy wheels
Standard Tire Size:
205/65R15, 215/65R15, or 225/60R15 (depending on year/options)
NHTSA Crash Test Ratings (Era Specific):
While specific ratings for this model and era are difficult to find, BMW's focus on passive safety included energy-absorbing crumple zones and a robust passenger cell.
ABS:
Standard Anti-lock Braking System (Bosch ABS III or similar)
Traction Control:
Optional ASC+T (Automatic Stability Control and Traction) available on some models.
Airbags:
Driver's airbag standard; passenger airbag optional or standard on later models.
Seatbelts:
Three-point inertia-reel seatbelts with pretensioners for front occupants.
Audio System:
High-fidelity sound systems, often with premium brands like Nakamichi or Harman Kardon, featuring cassette players and AM/FM radio.
Navigation System:
Optional factory navigation systems were available, using early CD-ROM based mapping.
Cruise Control:
Standard electronic cruise control.
Climate Control:
Automatic climate control with dual-zone temperature settings.
On-Board Computer:
Standard on most models, providing information on fuel economy, range, and vehicle status.
Oil Change Interval:
Typically every 7,500 - 10,000 miles or 12 months, whichever comes first, with inspection intervals at 15,000 miles (refer to specific owner's manual or condition-based service indicators).
Coolant Replacement:
Every 2-3 years or specified mileage, using BMW-approved coolant.
Transmission Fluid Service:
BMW's stance was often 'lifetime fill' for transmissions, but proactive fluid changes (e.g., every 50,000-80,000 miles) are highly recommended for longevity.
Engine Oil Specification:
BMW Longlife-98 or equivalent (e.g., SAE 5W-30 or 5W-40 depending on climate and specific BMW recommendation).
Coolant Type:
BMW Blue Antifreeze/Coolant (G48 ethylene glycol-based) or equivalent.
Brake Fluid Type:
DOT 4 Low Viscosity (LV) or DOT 4 Plus.
Cooling System:
Plastic components (expansion tank, water pump impeller, thermostat housing) can become brittle and prone to cracking; main radiator hoses can also degrade.
V8 Engine (M60):
Timing chain guides and tensioners can wear, leading to rattling noises and potential catastrophic failure if not addressed. Nikasil cylinder liner issues were present in early M60 engines, though most affected cars were likely addressed under warranty or by the time this manual is used, it might be a concern for older engine rebuilds.
Electrical System:
Corrosion in wiring harnesses (especially engine bay), failing window regulators, door lock actuators, and module failures (e.g., ABS, DME) are common.
Suspension:
Worn control arm bushings, ball joints, and strut mounts can affect handling and ride comfort.
Interior:
Headliner sag, worn leather, and failing pixels on the instrument cluster display are frequent complaints.
Oil Filter (Example):
Mann-Filter W 930/3, Mahle OC 205, or BMW Part # 11 42 1 740 272 (verify for specific engine build).
Air Filter (Example):
Mann-Filter C 25 520/1, Mahle LX 42, or BMW Part # 13 72 1 730 945 (verify for specific engine build).
Bmw'S Luxury Segment:
BMW established its presence in the luxury sedan market with the preceding E23 7 Series, building on a reputation for performance and engineering.
E32 Generation Launch:
The E32 generation debuted in 1986 (as a 1987 model in some markets) with the V12 engine, followed by the V8 models, including the 740i, in 1992.
Manufacturing Location:
Dingolfing, Germany
End Of E32 Production:
1994, succeeded by the E38 7 Series.
Car And Driver 10Best:
The E32 generation (including variants like the 740i) was a consistent recipient of Car and Driver's '10Best' award during its production run, highlighting its blend of performance, luxury, and technology.
Automobile Magazine All-Stars:
Often cited as a benchmark for luxury sedans of its time, receiving positive reviews and awards from various automotive publications.
